POLYETHYLENE PLASTICS — IN particular, the ubiquitous plastic bag that blights the landscape — are notoriously hard to recycle. They’re sturdy and difficult to break down, and if they’re recycled at all, they’re melted into a polymer stew useful mostly for decking and other low-value products. But a new process developed at the University of … Continue reading UC researchers finally may have solved how to recycle plastic bags into something useful